Do LEGO Bricks Deteriorate Over Time?

Introduction: The Durability of LEGO Bricks – A Long-Lasting Legacy

  • Hook: LEGO bricks are known for their durability, but do they stand the test of time in more ways than one?

  • Core Question: Do LEGO bricks deteriorate over time, and how can you ensure they last for years to come?

  • Teaser: Let’s dive into the fascinating world of LEGO’s longevity, how environmental factors influence wear and tear, and what you can do to preserve your beloved bricks.

1. Material and Durability of LEGO Bricks

ABS Plastic – The Heart of LEGO’s Durability

  • LEGO bricks are made from ABS (acrylonitrile butadiene styrene), a plastic known for its strength, rigidity, and resilience.

  • Impressive Durability: ABS plastic allows LEGO bricks to withstand more than 36,000 connect-disconnect cycles, making them incredibly durable for everyday play.

  • Lifespan: LEGO bricks can last for nearly 100 years under normal conditions, which is why they can be passed down across generations.

Environmental Longevity

  • LEGO bricks are not biodegradable, and studies suggest they can persist in the environment, such as oceans, for 100 to 1,300 years before fully breaking down.

  • Key Point: This extreme longevity makes LEGO bricks more resilient than many other plastic products.

2. How LEGO Bricks Deteriorate Over Time

Brittleness and Off-Gassing

  • Over time, all plastics, including ABS, undergo a process called off-gassing, where polymer chains slowly break down.

  • Result: The material becomes more brittle, and older LEGO bricks may crack or snap more easily.

Discoloration from UV Exposure

  • UV Damage: Prolonged exposure to sunlight and air can cause LEGO bricks, especially lighter-colored ones, to yellow or discolor.

  • Even in Storage: While stored away from sunlight, LEGO bricks can still show some yellowing after many years, a result of oxidation and aging.

Wear and Tear from Play

  • Frequent play and rough handling may cause LEGO bricks to lose their clutch power (the ability to stick together tightly), develop cracks, or even warp over time.

Environmental Factors Accelerating Deterioration

  • Temperature and Humidity: Extreme temperatures and high humidity can accelerate the breakdown of ABS plastic, making LEGO bricks more brittle.

  • Chemicals and Adhesives: Exposure to certain chemicals can cause surface damage or hasten deterioration.

3. Cleaning and Restoration Techniques

How to Clean LEGO Bricks:

  • Cleaning your LEGO bricks can help maintain their appearance but won’t reverse chemical aging or brittleness.

  • Hobbyist Tips: Some enthusiasts use techniques like “retrobright,” which involves using hydrogen peroxide to temporarily restore discolored bricks. However, yellowing may return with time, even if stored properly.

  • Preserving Appearance and Functionality: Regular cleaning and proper storage are key to maintaining the look and feel of your LEGO bricks. However, be mindful that these methods won’t undo the slow degradation caused by aging.

Best Practices for LEGO Care:

  • Gentle Cleaning: Use a soft brush or cloth to remove dust and dirt.

  • Avoid Harsh Chemicals: Stick to mild soap and water when cleaning.

  • Storage: Store your bricks in a dry, cool place away from direct sunlight, heat, or humidity to prevent discoloration, brittleness, and degradation.

4. Key Takeaways: LEGO’s Durability and Longevity

  • Built to Last: LEGO bricks are designed for exceptional durability, capable of lasting for decades or even centuries under normal conditions.

  • Slow Degradation: While they do not decompose within a human lifetime, LEGO bricks will experience gradual wear over time, including brittleness, color loss, and breakdown of material properties.

  • Signs of Aging: Look out for cracking, yellowing, loss of clutch power, and warping, which are common signs of aging.

  • Preservation Tips: To maximize the lifespan of your LEGO collection, store them properly, away from sunlight, extreme temperatures, and chemicals. This will significantly extend both their functionality and appearance.

5. Conclusion: The Slow Fade – LEGO’s Timeless Appeal

  • Final Thought: While LEGO bricks will inevitably deteriorate over time, the process is incredibly slow. With proper care and storage, your LEGO collection can remain enjoyable, playable, and display-worthy for generations to come.

  • Pro Tip: If you want to keep your LEGO creations safe and looking pristine, make sure to store them in a controlled environment. For those seeking the best storage options, BrickZoneHub offers durable display cases that will protect your LEGO builds while showcasing them beautifully for years to come!

Back to blog

Leave a comment